Process of making footwear hooks



3 A. STEINBERG ETAL 2,654,333

PROCESS OF MAKING FOOTWEAR HOOKS Filed Feb. 15, 1950 [N l/EN T0215 4044 34-775 JIEW5R By 7200 Caner/40 Patented Oct. 6, 1953 PROCESS OF MAKING FOOTWEAR HOOKS.

Adalberto Steinberg and Alfredo Cavadini, Milan, Italy Application February 15, 1950, Serial No. 144,264 In Italy February 17, 1949 1 Claim. 1

Thepresent invention relates to hook structures for shoes and similar footwear.

It is one of the objects of the present invention to provide means overcoming certain disadvantages observed when hooks are applied to footwear, which hooks generally permit snow and water to pass through an opening provided in the hook so as to penetrate the socks or the stockings of the wearer.

- It is a further object of the present invention to provide means facilitating a simplified and efiective process of shaping the hook from a single blank of material, and simultaneously closing of the hook opening in order to avoid passage of water-or any moisture from the outside thereinto.

Yet a further object of the present invention is to provide means affording the production of sturdy hook structures in inexpensive and efiicient bending operations.

These and other objects will appear from the ensuing specification, reference being had to the attached drawing in which some embodiments of the invention are illustrated.

Figs. la, 2a, 3a and 4a show schematically four elevational views of differently finished hooks made in accordance with the invention;

Figs. 1-4 illustrate four difierent top plan views of a blank of sheet material from which the respective hooks of Figs. 1a, 2a, 3a and 4a are manufactured;

Figs. 5, 5 and 5" show, respectively, three different blanks in top plan views and further modified;

Fig. 6 illustrates still another top plan view of a blank made in accordance with th invention;

Figs. 7 and 8 illustrate elevational views, respectively, of hooks manufactured from the blanks seen in Figs. 5 and 6;

Fig. 9 shows still another embodiment of the invention in the form of a blank from which a hook with rounded edges and closed shank opening may be obtained;

Fig. 10 is a side elevational view of the hook made from the blank illustrated in Fig. 9;

Fig. 11 is a top plan view of the hook seen in any of Figs. 1a or 2a or 3a.

According to the embodiment represented in Fig. 1 blank I is punched out or struck out from a suitable piece of material having a hole 2 and a tubular member or shank 3. The upper part of hole 2 is closed by means of a little disk 5, secured for instance by dovetail, to perfectly seal hole 2. Blank l is then bent over with its part 4 so as to obtain the shape of the hook as represented in Fig. 1a. The hook is thus ready for application to the upper of a leather shoe, the same being accomplished in the conventional manner. In the embodiment according to Figs. 2 and 2a, blank I includes an end portion 6 opposite end portion-4 to thereby obtain the hook. Upon shank 3 being obtained by a drawing operation end 6 is then bent over the open end of the shank 3, thus closing it. Thereafter the usual bending operation is performed for obtaining the upper part of hook 4.

Figs. 3 and 3a represent a further embodiment in which extension I, though being shorter than end 4 of elongated sheet metal blank I, is longer than former end 6 so that besides closing and sealing opening 2, it contributes to reinforcing of the inner surface of the hook, upon completion of bending operations.

In Figs. 4 and 4a, extension 8 is longer than portion 4 so that, upon being bent over opening 2, it extends further to reach the end of part 4, on which it is turned back, thus forming a fixing point 9 that is anchored at the end of the very hook, to thereby bring about a higher elastic resistance. This is all apparent from the two walls, adjacent and interfixed together, that can be seen in Fig. 3a.

According to Figs. 5, 5', 5" and '7, blank I presents, in respect to the conventional blanks, an enlarged portion H), at opening 2 obtained through an embossin operation, while the op posite end 4 is destined to form the hook.

Opening 2 of the shank 3 is closed by means of a small disk as above explained in Figs. 1 and 111.. After having dovetailed said small disk, the enlarged portions ID are bent inwardly as shown at Fig. 5' in ill, or outwardly as represented in Fig. 5", at [0", and successively the blank is bent so as to obtain the hook shape as represented in Fig. 7.

In this way there is obtained a perfect rounding oiT of the curved portion of the hook, with which the string is in contact, thus avoiding as much as possible any undue wear of the lace or string.

In Figs. 6 to 8 there is represented a further embodiment, except that the enlarged portion l I is enlarged to fit the enlarged end portion 4, so that said enlargement I I, besides rounding ofi the edges, constitutes a reinforcement of the whole top portion 4 of the hook. The above mentioned enlargement mayalso be applied to the other embodiment represented in Figs. 1 to 4, showing the extension of blank I that closes opening 2 of shank 3.

In Figs. 9 and 10 thereis represented another embodiment forming a modification of Figs. 4 and 4a, wherein however the opening 2 is disposed at the end of blank I, which is approximately twice as long as usual.

About midway of the blank, there is arranged an enlargement M which, upon the hook being finished, constitutes the upper wide portion of the very hook and between said enlargement l4 and terminal end l2 there is disposed an enlargement [0, i 01; the rounding ofi of the edges. Fur: ther oi igr en 111 there isprty gewa cup; shaped recess l3. The Way of obtaining this hook is as follows: Blank l is first bent along dotted line 15 so that recess l3 be brought ove f' hole 2, to close same. Upon thebl'aYnkbe'ihEfiXed in this position, extensions l0 arebent, eitherinwardly or outwardly, so as to roifnifofi' theedg'es devised by adapting the types; of enlargements l'fl' to the sYeral blanks a; F s 1 tee w th: 9 3; n it es i q m as re: fi e se saw n? thus be se t a here has been r Yided a td fdinsj to. iheii en br e'ye roces acts-r n nui esha e a sles mm a llf a i il' el ngated blank qem j s ns. i les e s 0f rst de pdrawi g at allocation of 'said blank intermediate onpas te ends, therepftq hereb ob a n a 'biie j I Q l e lt bnd X ll ne merrier s faaa hm h t e owe S of said blank and subs antially below the latter j lo tiion, be'ndi ,g a portion adiaeentone of said endsbilsaid so that saidportion oyerlie'sfe'xte'nds teytfia'a'na is nrmumaaegcong tact Withsaid tubular, part usugereweicsethe f iacenteneuencr ther if; and in a sha in the sem age; or saidpolitioii or said one end the t mr assem lers; to "e tenusame E apedfashioh'to is aid bubbles. a tiwithsa d f or assertions: saiaone end iii raceit i her he r ace sa'id oppesit'e'erid'tf saidblankl Haring thus described the invention, what is c a ms; 'Q'W and da qdt i l MI The t ljoe esfs' of manufacturing hopk-shaped hook-shaped fashion to a location above said articles from a substantially fiat and elongated blank of sheet material, comprising the steps of first deep-drawing at a location of said blank intermediate opposite ends thereof to thereby obtain an open-ended tubular part integral with and extending from the upper surface through the lower surface of said blank and substantially below the latterat said location, bending a portion: fad jagnt on of said ends; 0,1 sajidblank so that said portion overlies, extends beyond and is 1n intimate contact with said tubular part to thereby closethe adjacent open end thereof, and thizishapir'fg 'ttieremainder of said portion of one, and, s ng]. the opposite end of said blank so asto"ekt'e'fid' same from said tubular part in tubula art; withs'aid remainder of said portion (if said one end in face-to-face contact with the surface of said opposite end of said blank,

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